HomeElectrician ITIIti insturctor/ALP/technicianMCQ Iti insturctor/ALP/technicianMCQ Education May 20, 2023 0 1➤ How many number of electrons will move in one second for one ampere current through the conductors?6.24 X 10¹⁷6.24 X 10¹⁸6.24 X 10¹⁵ 6.24 X 10¹⁶ 2➤ Which part of squirrel cage rotor is short circuited? End cover hysteresisBearingsShaftEnd rings3➤ Which motor is used for refrigerators and air conditioners? Capacitor start induction run motorStepper motorTwo value Capacitor motorUniversal motor4➤ Which type of winding is done in the repulsion motor? A : B : C : D : Compensating windingDamper winding DC lap or wave windingDistributed AC winding5➤ Which motor operates without centrifugal switch? Permanent capacitor motor Capacitor start capacitor run motor Resistance induction run motorCapacitor start induction run motor 6➤ How many lamps are required for parallel operation of two 3 phase alternators? 368107➤ What method is used for parallel operation of alternator? Under excitation methodOver excitation methodWard - leonald methodDark and bright lamp method 8➤ Why parallel operation of alternators is necessary? To maintain constant frequencyTo get more voltageTo share more loadsTo improve efficiency9➤ How the alternators are rated? KWKVARKWHKVA10➤ What is the excitation source of a large alternator? BatteryDC shunt generatorRectifierDC series generator11➤ Calculate the phase current if the line current is 30 Amp in delta connection? 17.3A30A15.6A10Amp 12➤ Where two watt meter method of power measurement is used? Half full loadUnbalanced load only Balanced and unbalanced loadBalanced load only13➤ What is the formula for total power in three watt meter method of power measurement? W1(W2+W3)W1+W2+W3W1 - W2W1+W214➤ What is the value of power factor when two watt meter readings are equal in 2 watt meter method of power measurement? Unity 0.5 leading Less than 0.50.5 lagging 15➤ What is the angular displacement of 3 phase voltages?360 electrical degrees180 electrical degrees90 electrical degrees120 electrical degrees16➤ Which test is conducted to determine the winding earth leakage of a DC motor? Open circuit testShort circuit test Continuity testGround test17➤ What is the goal of the occupational health safety?To keep the work place neat and cleanTo provide a safe work environment To co-operate with co-workersTo maintain discipline18➤ What is the other name of MS-Excel? Electronic chartElectronic documentElectronic fileElectronic spread sheet 19➤ What is the expansion of CPU? Control Performance UnitControl Processing UnitCentral Performance UnitCentral Processing Unit20➤ How much starting current of motor with respect to load current for calculation of cable size? Two times of full load currentThree times of full load currentOne and half time of full load currentOne time of full load current 21➤ Which is the major reason for open circuit in armature circuit of DC machine? Loose commulator segmentsLow voltageOver voltageOver load22➤ Which instrument is used to measure insulation resistance of DC motor? AmmeterVoltmeterEarth testerMegger 23➤ Which method of speed control used for variation of speed from zero to above normal? Ward-Leonard systemShunt field control Armature controlSupply voltage24➤ Which type of starter is used for DC series motor Three point starterFour point starterTwo point starterDOL starter25➤ How the burden of current transformer is expressed? Watt hourAmpere hourVolt ampereWatt SubmitYour score is Tags Electrician ITI Newer Older